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The FASEB Journal, Vol 9, 324-334, Copyright © 1995 by The Federation of American Societies for Experimental Biology
REVIEWS |
G Fishell, R Blazeski, P Godement, R Rivas, LC Wang and CA Mason
Laboratory of Developmental Neurobiology, Rockefeller University, New York, New York 10021.
For decades, time-lapse microscopy has been used to track dynamic events associated with biological phenomena. Time-lapse studies of the developing nervous system have been restricted to analysis of dissociated cell cultures or of a series of static images from living organisms. The advent of new fluorescent dyes and video imaging technology has produced novel views of the behavior of neurons in the context of the developing nervous tissue, such as migrations within and away from proliferative zones and navigation of axonal processes to synaptic targets. After fixation of the tissue preparation, time-lapse monitoring can be followed by other analytical techniques and forms of microscopy, e.g., immunocytochemistry or electron microscopy, producing information on the interactions of individual cells whose behavioral histories are known. The power of video time-lapse microscopy of living brain tissue lies in the firsthand documentation of developmental patterning, which in turn can serve as an experimental assay.
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